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#pragma once
#include "base.h"
ORCA_PURE static inline Glyph gbuffer_peek_relative(Glyph *gbuf, Usz height,
Usz width, Usz y, Usz x,
Isz delta_y, Isz delta_x) {
Isz y0 = (Isz)y + delta_y;
Isz x0 = (Isz)x + delta_x;
if (y0 < 0 || x0 < 0 || (Usz)y0 >= height || (Usz)x0 >= width)
return '.';
return gbuf[(Usz)y0 * width + (Usz)x0];
}
static inline void gbuffer_poke(Glyph *gbuf, Usz height, Usz width, Usz y,
Usz x, Glyph g) {
assert(y < height && x < width);
(void)height;
gbuf[y * width + x] = g;
}
static inline void gbuffer_poke_relative(Glyph *gbuf, Usz height, Usz width,
Usz y, Usz x, Isz delta_y, Isz delta_x,
Glyph g) {
Isz y0 = (Isz)y + delta_y;
Isz x0 = (Isz)x + delta_x;
if (y0 < 0 || x0 < 0 || (Usz)y0 >= height || (Usz)x0 >= width)
return;
gbuf[(Usz)y0 * width + (Usz)x0] = g;
}
ORCA_NOINLINE
void gbuffer_copy_subrect(Glyph *src, Glyph *dest, Usz src_grid_h,
Usz src_grid_w, Usz dest_grid_h, Usz dest_grid_w,
Usz src_y, Usz src_x, Usz dest_y, Usz dest_x,
Usz height, Usz width);
ORCA_NOINLINE
void gbuffer_fill_subrect(Glyph *gbuf, Usz grid_h, Usz grid_w, Usz y, Usz x,
Usz height, Usz width, Glyph fill_char);
typedef enum {
Mark_flag_none = 0,
Mark_flag_input = 1 << 0,
Mark_flag_output = 1 << 1,
Mark_flag_haste_input = 1 << 2,
Mark_flag_lock = 1 << 3,
Mark_flag_sleep = 1 << 4,
} Mark_flags;
ORCA_OK_IF_UNUSED
static Mark_flags mbuffer_peek(Mark *mbuf, Usz height, Usz width, Usz y,
Usz x) {
(void)height;
return mbuf[y * width + x];
}
ORCA_OK_IF_UNUSED
static Mark_flags mbuffer_peek_relative(Mark *mbuf, Usz height, Usz width,
Usz y, Usz x, Isz offs_y, Isz offs_x) {
Isz y0 = (Isz)y + offs_y;
Isz x0 = (Isz)x + offs_x;
if (y0 >= (Isz)height || x0 >= (Isz)width || y0 < 0 || x0 < 0)
return Mark_flag_none;
return mbuf[(Usz)y0 * width + (Usz)x0];
}
ORCA_OK_IF_UNUSED
static void mbuffer_poke_flags_or(Mark *mbuf, Usz height, Usz width, Usz y,
Usz x, Mark_flags flags) {
(void)height;
mbuf[y * width + x] |= (Mark)flags;
}
ORCA_OK_IF_UNUSED
static void mbuffer_poke_relative_flags_or(Mark *mbuf, Usz height, Usz width,
Usz y, Usz x, Isz offs_y, Isz offs_x,
Mark_flags flags) {
Isz y0 = (Isz)y + offs_y;
Isz x0 = (Isz)x + offs_x;
if (y0 >= (Isz)height || x0 >= (Isz)width || y0 < 0 || x0 < 0)
return;
mbuf[(Usz)y0 * width + (Usz)x0] |= (Mark)flags;
}
void mbuffer_clear(Mark *mbuf, Usz height, Usz width);